The key is to add the right kinds of fats - polyunsaturated ones - particularly the omega-3's.

关键是加入正确的脂肪种类，多重不饱和的脂肪酸，特别是欧米咖- 3。

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The key is to add the right kinds of fats – polyunsaturated ones – particularly the omega-3’s.

关键是加入正确的脂肪种类，多重不饱和的脂肪酸，特别是欧米咖-3。

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The fats can act as building blocks for other substances that may be very important in the health of the both the larva and the butterfly, Connor said, particularly during metamorphosis.

大量的脂肪同时形成一堵厚厚的“墙”，阻挡一些对幼虫和蝴蝶非常重要的物质外泄，尤其是在化蝶过程中。

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